package y23.Jun;

public class Test21 {
    public static void main(String[] args) {
        double[] e = {0.1,0.2,0.3,0.4};
        double AR = 4.8;
        double CL =1.03;
        for(int i=0 ;i<4;i++){
            System.out.println(Math.pow(CL,2)/(Math.PI * e[i] * AR));
        }
    }
}
